Home / 144,441.84-199,335.96-80,779.60

Finding the Fourth Proportional to 144,441.84, 199,335.96 and 80,779.60

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Solution

The fourth proportional to 144,441.84, 199,335.96 and 80,779.60 is: 111,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,441.84 : 199,335.96 = 80,779.60 : x
  2. Step 2: Convert to fraction form
    144,441.84/199,335.96 = 80,779.60/x
  3. Step 3: Cross multiply
    144,441.84x = 199,335.96 × 80,779.60
  4. Step 4: Simplify right side
    144,441.84x = 16,102,279,114.42
  5. Step 5: Solve for x
    x = 16,102,279,114.42/144,441.84
  6. Step 6: Final answer
    x = 111,479.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.